Cite

(male nude posed with Christmas tree-Kevin)

MLA

Giard, Robert. (Male Nude Posed with Christmas Tree-Kevin). 0AD. https://collections.library.yale.edu/catalog/2034920.

APA, 6th edition

Giard, R. (0 C.E.). (male nude posed with Christmas tree-Kevin). https://collections.library.yale.edu/catalog/2034920.